ES2969805T3 - Métodos y dispositivos para procesar señales del enlace ascendente - Google Patents

Métodos y dispositivos para procesar señales del enlace ascendente Download PDF

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Publication number
ES2969805T3
ES2969805T3 ES17913728T ES17913728T ES2969805T3 ES 2969805 T3 ES2969805 T3 ES 2969805T3 ES 17913728 T ES17913728 T ES 17913728T ES 17913728 T ES17913728 T ES 17913728T ES 2969805 T3 ES2969805 T3 ES 2969805T3
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ES
Spain
Prior art keywords
rru
uplink signals
signals
user layer
bbu
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES17913728T
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English (en)
Spanish (es)
Inventor
Chenguang Lu
Yezi Huang
Miguel Berg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Application granted granted Critical
Publication of ES2969805T3 publication Critical patent/ES2969805T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H04B7/0885—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with combination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0891—Space-time diversity
    • H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
ES17913728T 2017-06-14 2017-06-14 Métodos y dispositivos para procesar señales del enlace ascendente Active ES2969805T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2017/050633 WO2018231107A1 (en) 2017-06-14 2017-06-14 Methods and devices for processing uplink signals

Publications (1)

Publication Number Publication Date
ES2969805T3 true ES2969805T3 (es) 2024-05-22

Family

ID=64659391

Family Applications (1)

Application Number Title Priority Date Filing Date
ES17913728T Active ES2969805T3 (es) 2017-06-14 2017-06-14 Métodos y dispositivos para procesar señales del enlace ascendente

Country Status (6)

Country Link
US (4) US10886997B2 (zh)
EP (2) EP4311373A3 (zh)
CN (2) CN110741565B (zh)
ES (1) ES2969805T3 (zh)
MX (1) MX2019014717A (zh)
WO (1) WO2018231107A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578057B (en) * 2017-07-31 2022-03-23 Mavenir Networks Inc Method and apparatus for flexible fronthaul physical layer split for cloud radio access networks
WO2019098897A1 (en) 2017-11-20 2019-05-23 Telefonaktiebolaget Lm Ericsson (Publ) Methods, systems and units of a distributed base staton system for handling of downlink communication
EP3963845B1 (en) 2019-05-03 2023-03-01 Telefonaktiebolaget Lm Ericsson (Publ) Methods, distributed base station system, remote radio unit and base band unit system for handling uplink signals
US11405082B2 (en) 2019-12-24 2022-08-02 Qualcomm Incorporated Dynamic scheduling of user equipment (UE) antenna resources
CN113872629B (zh) * 2020-06-12 2023-04-18 华为技术有限公司 信息传输方法、装置及存储介质
EP4020823A1 (en) * 2020-12-22 2022-06-29 INTEL Corporation A distributed radiohead system
EP4020853A1 (en) * 2020-12-24 2022-06-29 INTEL Corporation A distributed radiohead system
US20240187061A1 (en) * 2021-04-01 2024-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Methods, baseband unit system and radio unit of a distributed base station having cascade-coupled radio units
FR3123773A1 (fr) * 2021-06-04 2022-12-09 Orange Procédé de traitement de signaux radiofréquence reçus sur R antennes, procédé de réception, procédé de décodage, programme d’ordinateur et système correspondants.
WO2023076337A1 (en) * 2021-10-26 2023-05-04 Meta Platforms Inc. Uplink mu-mimo functional split between radio unit and distributed unit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10425135B2 (en) * 2001-04-26 2019-09-24 Genghiscomm Holdings, LLC Coordinated multipoint systems
JP4637502B2 (ja) * 2004-04-30 2011-02-23 京セラ株式会社 無線通信端末およびアンテナ切替制御方法
US7433414B2 (en) * 2004-07-26 2008-10-07 Sigma Designs, Inc. Intelligent array radio architecture
CN101931896A (zh) * 2009-06-22 2010-12-29 大唐移动通信设备有限公司 数据发送的方法、系统和设备
CN103891394A (zh) * 2011-10-01 2014-06-25 英特尔公司 远程无线电单元(rru)和基带单元(bbu)
US8934561B2 (en) * 2011-12-28 2015-01-13 Nokia Siemens Networks Oy Cell clustering and aperture selection
US9100835B2 (en) * 2012-05-22 2015-08-04 Alcatel Lucent Method and apparatus of wireless communication using directional antennas
US9337973B2 (en) * 2012-09-11 2016-05-10 Industrial Technology Research Institute Method of cooperative MIMO wireless communication and base station using the same
US9124333B1 (en) * 2014-10-17 2015-09-01 Sprint Communications Company L.P. Improving uplink performance for a beam-forming antenna configuration
EP3832973B1 (en) * 2015-03-11 2024-07-17 CommScope Technologies LLC Distributed radio access network with adaptive fronthaul

Also Published As

Publication number Publication date
US10886997B2 (en) 2021-01-05
EP4311373A3 (en) 2024-04-10
EP4311373A2 (en) 2024-01-24
WO2018231107A1 (en) 2018-12-20
EP3639389A1 (en) 2020-04-22
EP3639389A4 (en) 2020-12-02
CN114696881A (zh) 2022-07-01
US11848739B2 (en) 2023-12-19
US20240120985A1 (en) 2024-04-11
US20220294521A1 (en) 2022-09-15
EP3639389B1 (en) 2024-01-17
US20200204248A1 (en) 2020-06-25
US20210126699A1 (en) 2021-04-29
CN110741565A (zh) 2020-01-31
MX2019014717A (es) 2020-02-07
CN110741565B (zh) 2022-04-19

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